Fwd: gpiod: Set pullup for Input Line

[Hans Kurscheidt <lve0200@gmail.com>]

Am 21.03.2022 um 18:33 schrieb Andy Shevchenko:
> On Mon, Mar 21, 2022 at 7:27 PM Hans Kurscheidt <lve0200@gmail.com> wrote:
>> Hi thanks, that makes hope.
> First of all, please do not top-post.
>
>> Unfortunately apt-get gpiod on my OrangePi Armbian board gives me
>> version 1.2, while the dev is already at 1.6. I probably have to build
>> it from source.
>>
>> Keeping fingers crossed .
> I don't remember the details of old versions of libgpiod (Bart? Kent?)
> I think it was available even there.
>
>> Am 21.03.2022 um 17:26 schrieb Andy Shevchenko:
>>> On Mon, Mar 21, 2022 at 1:30 PM Hans Kurscheidt <lve0200@gmail.com> 
>>> wrote:
>>>> Despite deep searching, I cannot find any information, if gpiod allow
>>>> specifying pull-ups to input lines and how to do/handle it.
>>> Have you followed this code from libgpiod?
>>> https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/tree/tools/gpioset.c#n44
> I don't think that the Bias option is in 1.2.3, because help is mute 
> about it

> Trying to build it from source, doesn't work for me. I get:
hk@orangepizeroplus:~/libgpiod$ ./autogen.sh --enable-tools=yes 
--prefix=/usr/bin
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force -I m4
aclocal: warning: couldn't open directory 'm4': No such file or directory
autoreconf: configure.ac: tracing
autoreconf: configure.ac: creating directory autostuff
autoreconf: configure.ac: not using Libtool
autoreconf: running: /usr/bin/autoconf --force
configure.ac:163: error: possibly undefined macro: AC_LIBTOOL_CXX
       If this token and others are legitimate, please use m4_pattern_allow.
       See the Autoconf documentation.
configure.ac:165: error: Unexpanded AX_ macro found. Please install GNU 
autoconf-archive.
configure.ac:179: error: Unexpanded AX_ macro found. Please install GNU 
autoconf-archive.
autoreconf: /usr/bin/autoconf failed with exit status: 1
hk@orangepizeroplus:~/libgpiod$


??

RGDS

Got it; needed to install libtools and (may be) create a directory m4 in 
libgpiod
Its working now w/ Version 2.0 and I see the Bias Option

Thank you